baber/WOPTO huggingface dataset:
Patent GB-1329165-A (GB)
Title: Carburation devices for internal combustion engines
IPC: F02M3/12
Filed: 1971-06-30
Abstract: 1329165 Spray carburetters SOC INDUSTRIELLE DE BREVETS ET D'ETUDES 30 June 1971 [5 Aug 1970] 30557/71 Heading F1B In a carburetter for an I. C. engine, having a main jet 4 receiving mixture from a chamber 5 receiving fuel via orifice 7 and air through a perforated tube 8, and a slow running passage 12 receiving air via orifice 13 and fuel via passage 10 and orifice 11, the chamber 5 and the passage 12 are connected by at least one channel 17 advantageously provided with a calibrated orifice 18. Thus at low engine speed the relatively high suction existing in passage 12 is communicated to chamber 5, so that as the engine speed is increased the primary mixture flow through jet 4 will commence earlier. The channel 17 may be located downstream of fuel nozzle 11 as shown in broken lines.
Patent GB-1120932-A (GB)
Title: Improvements in and relating to 9ªß,10ª‡-steroids, and methods of producing said compounds
Inventor: REERINK ENGBERT HARMEN
IPC: C07J5/00
Filed: 1965-07-19
Abstract: The invention comprises compounds of formula <FORM:1120932/C2/1> wherein R3 represents a 3-keto-4-dehydro-, 3 - keto - 4,6 - bisdehydro, 3 - keto - 1,4 - bisdehydro- or 3-keto - 1,4,6 - trisdehydro - system, R6 is a hydrogen, fluorine, chlorine or bromine atom and R16 is an etherified hydroxy group, and their preparation by (a) 16-etherification, (b) reaction of a 16-dehydro-steroid with an aliphatic alcohol, (c) treatment of a corresponding 3 - alkoxy - 3,5 - bisdehydro-compound with manganese dioxide, or (d) 1,2 or 6,7-dehydrogenation.  The compounds of the invention have hormonal activity and may be used in pharmaceutical compositions in combination with a carrier, for example in forms suitable for oral or parenteral administration.  Reference has been directed by the Comptroller to Specification 929,271.
Patent GB-686874-A (GB)
Title: Improvements in or relating to bayonet-type electric lamp holders and the like
IPC: H01R33/46
Filed: 1950-12-15
Abstract: 686,874. Lamp-holders. STAGNARO, D. Dec. 15, 1950, No. 30619/50. Class 38 (i). In a bayonet-type lamp-holder which avoids the use of spring-plunger contacts, the bayonet slots 8 are formed in a separate skirt 6 which is slidable, against the action of a spring 5, in an outer body 1 housing the fixed insulating base for the holder contacts 13, 14. The skirt has an external operating ring 7 connected to it by radial parts which slide in L-shaped grooves 35 in the body 1 so that, when a lamp is to be inserted, the ring is pulled down and given a slight turn to retain it. After insertion, the ring is turned backwards and the spring 5 retracts the skirt and lamp to complete the contact. In a modification, Fig. 15, the bayonet slots have a ramp 53 which, on insertion of the lamp with its contacts bearing on the pins 59, cams the skirt 60 away from the fixed body 37 until the pins enter the ends 55 of the slots. The skirt has projections engaging slots in the body 37 to prevent its rotation with respect to the latter, and stops 55 to limit its travel under the action of a spring 39, Fig. 10 (not shown).
Patent GB-767683-A (GB)
Title: Improvements in and relating to electric pulse generators
IPC: H04Q11/04
Filed: 1952-12-03
Abstract: 767,683. Automatic exchange systems. GENERAL ELECTRIC CO. Ltd., and BAYLISS, A. J. Nov. 30, 1953 [Dec. 3, 1952], No. 30673/52. Class 40 (4). [Also in Group XL (c)] A pulse generator for generating pulses of frequency f at any one of n different phases comprises a frequency divider of ratio n : 1 to which a train of pulses of frequency nf is applied, and a phase control circuit which selects a given pulse from the source and applies it to the divider to initiate a fresh cycle of operations so that the divider is unresponsive to the next n - 1 pulses of the train. Fig. 3 (Provisional), shows a blocking oscillator divider in which the pulses to be divided are applied across the cathode resistor at terminal 10 and an output is taken from terminal 31. The division ratio of the circuit is determined by the exponential rise of the grid voltage, Fig. 2 (not shown), upon which the input pulses are superimposed so that if a control pulse having an amplitude considerately greater than that of the normal input pulses is derived as shown at 33 in Fig. 4, from the input pulse source 32 and applied to trigger the divider 34, an output pulse is obtained which is phase-shifted with respect to that which would otherwise have been obtained. Two blocking oscillator dividers may be used, Fig. 5 (not shown), connected in cascade control pulses being applied to both dividers simultaneously so that if the division ratios are n : and m : 1 respectively and the pulse train to the first divider has a frequency nf the output pulses will have a frequency f/m and will be able to be set to any of mn phases. Specification 767,684 is referred to.
Patent GB-1212457-A (GB)
Title: Installation for the purification of sewage
IPC: C02F3/12
Filed: 1968-06-28
Abstract: 1,212,457. Treating sewage. INGENIEURSBUREAU DWARS HEEDERIK EN VERHEY N.V. 28 June, 1968 [3 July, 1967], No. 30907/68. Heading C1C. In an activated sludge treatment of sewage with flow in a closed circuit 4, a surface aerator 7 also circulates the sewage around a partition 5 which separates the upstream and downstream flows of the aerator. The construction is to allow fluent merging of surfaces in the installation.
Patent GB-484315-A (GB)
Title: Spark plug insulators
IPC: H01T13/38
Filed: 1936-11-13
Abstract: Dense non-porous spark-plug insulators are made by shaping a mix comprising finely ground alumina and one or both of the oxides of cerium and tantalum and firing, preferably at temperatures corresponding to Orton cone 30-35.  It is stated that the final product is a mechanical mixture of the original components.  The cerium oxide may be present in amount up to about 3 per cent and the tantalum up to about 20 per cent; the cerium oxide may be added in the form of monazite sand containing cerium phosphate, thoria and other rare earths.  Fluxes and the oxides of calcium, strontium, barium, zinc or cadmium and the carbonates of calcium, strontium and barium as described in Specification 484,314 may also be added to the mix.  The mix may be moulded with the aid of temporary binders such as a synthetic resin or with hydrochloric acid.  In an example, alumina, precalcined at about 1200 DEG  C., is ground until the major portion comprises particles of an average size of 5m , the ground alumina is mixed with similarly ground cerium oxide, a small quantity of a synthetic resin of the phenolic condensation type and water, and then granulated; the granules are partially dried, moulded into the desired shape under heat and pressure and the articles finally fired. The Specification as open to inspection under Sect. 91 also refers to the addition of thorium, lanthanum, and zirconium oxides to the alumina.  The subject-matter does not appear in the Specification as accepted.
Patent GB-176064-A (GB)
Title: Apparatus for the electro-deposition of metals
IPC: C25D5/06
Filed: 1920-11-03
Abstract: 176,064. Turton, W. Nov. 3, 1920. Roller conveyer apparatus; electrodes, moving; electrolytes, circulating. - Metal sheets, strips, rods, tubes, angle-irons, &c. are coated by contact with a perforated hollow roller c, Fig. 3, covered with absorbent material to which electrolyte is supplied through a perforated tubular shaft o<3>. The electrolyte may be supplied to the shaft by a perforated stationary inner tube o<2>, liquidtight bearings being arranged between the tube and shaft at u, v. The tube-shaped covering l is enclosed in a calico sheath and is clamped to the ends m, n of the roller by band clips l<3>, l<4> bolted together at their ends. There are preferably two rollers a, c, Fig. 4, between which the sheets or the like are passed, the latter also engaging guide rollers f, g and pairs of conductive rollers h, i. The bearings u, v, Fig. 3, and the main bearings e<2>, e<3> are adjustable in the end frames to vary the nip of the rollers a, c. The lower roller is driven from a speed pulley j, to which the upper roller is connected by a belt. The anodes p enter holes r<2>, Fig. 5, in the side walls m, n and are clamped so as to be renewable by watertight glands r<3>. The anodes are provided with conducting-pins r<5> connected by yokes r<4> to contact rings s, Fig. 3, to which contact is made by brushes.,
Patent GB-154458-A (GB)
Title: Improvements relating to the carbonisation of finely subdivided fuel
IPC: C10J3/46
Filed: 1919-06-18
Abstract: 154,458. Underfeed Stoker Co., and McEwen, S. June 18, 1919. Fuel. - Powdered coal is showered through a retort a and the coked product is discharged as powder by a rotating cylinder d, into a chamber e and is carried into a furnace k by a current of gas from the retort.
Patent GB-690383-A (GB)
Title: Manufacture of 2:4:4-trimethylpentanal
IPC: C07C45/58
Filed: 1949-12-03
Abstract: 2,4,4-Trimethyl-pentanol is obtained by isomerizing 1,2 - epoxy - 2,4,4 - trimethylpentane by treating it with acidic substances other than acids.  Suitable acidic substances are the chlorides of trivalent iron, zinc, tin, aluminium and titanium; boron trifluoride; acid activated siliceous earths such as Fuller's earth, bentonite and montmorillonite; hydrogen ion exchange materials such as acid reacting zeolites; sulphonated formaldehyde-phenol resins and sulphonated coal.  The epoxide may be used in its concentrated form or, preferably, dissolved in inert solvents, e.g. paraffins, olefins, aromatic hydrocarbons, chloroform or carbon tetrachloride.  The reaction is preferably carried out in the absence of water and in an inert atmosphere, e.g. under nitrogen or carbon dioxide.  The process is most conveniently carried out under atmospheric temperature but temperatures between 50 DEG  and 80 DEG  C. may be necessary to finish the reaction and it may be carried out batchwise or continuously. In the examples 1,2-epoxy-2,4,4-trimethyl pentane is isomerized to 2,4,4-trimethyl pentanol by the action of (a) anhydrous ferric chloride; (b) anhydrous zinc chloride; (c) stannic chloride; (d) boron trifluoride-ether complex; (e) titanium tetrachloride; (f) acid-washed Fuller's earth; (g) stannic chloride; and (h) aluminium chloride.  Specification 689,095 is referred to.
Patent GB-812993-A (GB)
Title: Improvements relating to brake linings for vehicle brake drums
IPC: F16D69/02
Filed: 1956-10-12
Abstract: 812,993. Brake linings. SVENSKABROMSBANDSFABRIKEN A.B. Oct. 12, 1956 [Oct. 15, 1955], No. 31152/56. Class 103 (1). In order to prevent squeal and the ingress of impurities between the friction surface of a brake drum 1 and the surface of a brake lining 3 mounted on a brake shoe 2, the end edge of the brake lining turned towards the rotation of the friction surface of the brake drum is bevelled in such a way that a projecting lip 4 is formed such that when the brake is applied, the tip of the projecting lip 4 will touch the friction surface before the main part of the lining. The bevel angle a may be between 20 and 75 degrees and the radial distance 8 of the tip of the lip 4 beyond the outer surface of the lining is between 0.0004-0.04 inch. Specification 681,820 is referred to.
Patent GB-732577-A (GB)
Title: Haloketones
Filed: 1952-12-09
Abstract: The invention comprises 11(a )-acyloxy-17-bromo- or chloro-pregnane-20-ones, and the process of producing an a -haloketone by mixing together an enol acylate of an organic ketone and a hypohalous acid.  The enol acylate in an organic solvent may be reacted at a temperature of 0-80 DEG  C. with an aqueous solution of hypohalous acid, e.g. produced by reaction between a mineral acid and an N-halosuccimide.  Examples disclose the preparation of 3(a ),11(a )-diacetoxy, -dipropionyloxy-, -dibutyryloxy-, -diformyloxy-, -divaleryloxy-, -dihexanoyloxy-, -diheptanoyloxy-, and -dioctanoyloxy - 17 - chloro - or bromo - pregnene-20-one; 11(a )-acetoxy-, -formyloxy-, -propionyloxy -, - butyryloxy -, - valeryloxy -, - hexanoyloxy -, - heptanoyloxy -, and -octanoyloxy - 14,17 - dibromo - or -dichloro - pregnane - 3,20 - dione, 3(b ) - acetoxy -, - benzoyloxy -, -heptanoyloxy -, - formyloxy -, propionyloxy -, - butyryloxy -, - valeryloxy -, - hexanoyloxy - and - octanoyloxy - 9(11)-oxido - 21 chloro - or - bromo - 5,7 - pregnadiene - 20 - one maleic anhydride adducts; a -chloro- or - bromo - cyclohexanone, a  - chloro- or - bromo - cyclopentanone, alkyl substituted-a  - halocyclohexanone, alkyl substituted - a -halocyclopentanone, a  - chlorocycloheptanone; bromoacetone, a  - chlorodiethyl ketone, 3-bromobutanone, a  - chloromethyl - t - butyl ketone and 5 - methoxy - 3 - chloropentanone-2.  Specifications 680,733, 680,734, 693,770 and 724,094 are referred to.  3a ,11a ,20 - triacetoxy - 17(20) - pregnene is obtained by treating 3a ,11a -dihydroxy-pregnane-20-one with acetic anhydride in the presence of p-toluene sulphonic acid. In a similar manner 3a ,11a ,20-triformyloxy, -tripropionoxy, -tributyryloxy, - trivaleryloxy, - trihexanoyloxy, - triheptanoyloxy, - trioctanoyloxy - 17(20)-pregnene are prepared.  Maleic anhydride adduct of 3b -acetoxy-9(11)-oxido - 5,7 - pregnadiene - 20 - one is obtained by treating the maleic anhydride adduct of 3b -acetoxy - 5,7,9(11) - pregnatriene - 20 - one in glacial acetic acid with hydrogen peroxide.  In a similar manner, maleic anhydride adducts of 3b  - formyloxy, - propionyloxy, - butyryloxy, - valeryloxy, - hexanoyloxy, - heptanoyloxy, - octanoyloxy and - benzoyloxy - 9(11) - oxido-, 5,7 - pregnadiene - 20 - one are obtained.  Maleic anhydride adduct of 3b ,20-diacetoxy-9(11) - oxido 5,7,20 - pregnatriene is obtained by treating 3b -acetoxy-9(11)-oxido 5,7-pregnadiene-20-one maleic anhydride adduct with isopropenyl acetate in the presence of para-toluene sulphonic acid.  In a similar manner maleic anhydride adducts of 3b -formyloxy, -propionyloxy, - butyryloxy, - valeryloxy, - hexanoyloxy, heptanoyloxy - octanoyloxy, and benzoyloxy-20 - acetoxy - 9(11) - oxido - 5,7,20 - pregnatriene are obtained.
Patent GB-208538-A (GB)
Title: Starter for airplane engines
IPC: B64F1/34
Filed: 1923-12-12
Abstract: 208,538. DouhÚret, E. L. Dec. 13, 1922, [Convention date]. Turning-gear.-A starter for aeroplane engines comprises elastic cords F attached to a stake G and to a belt C carrying a pocket B fitting over the propeller A. The pocket is detachably secured by rings D, K and a pin L to a cord I attached to a stake G<1>, and the pin L is released for starting by pulling a cord M.
Patent GB-775280-A (GB)
Title: Phenothiazine derivatives and process for their manufacture
IPC: C07D417/06
Filed: 1955-11-01
Abstract: A process for the preparation of phenothiazine derivatives of the formula: <FORM:0775280/IV(b)/1> wherein R1 and R2 each represent H, CH3, Cl, Br or OCH3 and R3 represents H, CH3 or C2H5 is characterized in that a tertiary amine of the formula: <FORM:0775280/IV(b)/2> is reacted with a sulphur dihalide and the resultant positional isomers thereby obtained are separated, if desired, by standard methods.  The products may be purified by fractional distillation.  The isomers may be separated by fractional crystallization of their salts.  In Example (1) N-[m-chlorophenyl] N-[2-(N1-ethyl-piperidyl - 21) ethyl - 1] aniline is reacted in benzene with sulphur dichloride to give a mixture of isomeric bases which is (after evaporation) extracted with chloroform and the combined extracts are then distilled under high vacuum to give as main fraction 3-chloro-10-[21 - (N - ethylpiperidyl - 211) ethyl - 11] phenothiazine. Similarly obtained are (2) 3-bromo-10-[21 - (N - ethylpiperidyl) 211 - ethyl - 11] phenothiazine; (3) 3 - chloro - 10 - [21 - (piperidyl-211) ethyl - 11] phenothiazine; (4) 3 - methyl-10 - [21 - (N - methyl - piperidyl - 211) ethyl-11] phenothiazine; (5) 3 - methoxy - 10 - [21-(N - methylpiperidyl - 211) ethyl - 11] phenothiazine; (6) 3 - chloro - 7 - methoxy - 10 - [21-(N - methylpiperidyl - 211) ethyl - 11] phenothiazine; (8) 3 - bromo - 10 - [21 - (N - methyl-piperidyl - 211) - ethyl - 11] phenothiazine; (9) 10 - [21 - (N - methyl - piperidyl - 211) ethyl - 11]-phenothiazine; (10) dichloro - 10 - [21 - (N-methylpiperidyl - 211) ethyl - 11] - phenothiazine; (11) chloro - methoxy - [2 - (N-methylpiperidyl - 211) ethyl - 11] phenothiazine. In Example (7) the reaction product of N-[m-chlorophenyl] - N - [2 - (N1 - methylpiperidyl-21 ethyl - 1] aniline and sulphur dichloride is fractionated (as the hydrochloride) from ethanol to give 1 - and 3 - chloro - 10 - [21 - (N-methylpiperidyl - 211) ethyl - 11] phenothiazines.  Th products are converted to tartrates and hydrochlorides.  Starting materials.  N - [m - chlorophenyl] - N - [2 - (N1 - ethylpiperidyl - 21) - ethyl - 1] - aniline is prepared by reacting N-(m-chlorophenyl) aniline with 2 - (N - ethyl - piperidyl - 21) 1 - chloro - ethane in the presence of sodium hydroxide.  The 3-bromo-compound is similarly obtained. The preparation is described of similar substituted anilines containing appropriate substituents in the phenyl, piperidyl and/or aniline residues to yield the above substituted phenothiazines.  Specification 775,279 is referred to.
Patent GB-382762-A (GB)
Title: Improvements in cable connectors
IPC: H01T13/04
Filed: 1931-11-11
Abstract: 382,762. Wire terminals. SIEMENS & HALSKE AKT.-GES., Siemensstadt, Berlin. Nov. 11, 1931, No. 31291. Convention date, Aug. 8. Addition to 381,375. [Class 38 (i).] In a terminal as described in the parent Specification the pivoted catch 4 is made symmetrical above and below and projects on both sides of the bars 3 for manual release. The spring 6 is located in recesses 9, 10 in the catch 4 and bars 3 so that the terminal can be used either way up.
Patent GB-465737-A (GB)
Title: Improvements in or relating to electrolytic processes and apparatus
IPC: C25B1/28
Filed: 1935-11-12
Abstract: 465,737. Electrolytic cells. DU PONT DE NEMOURS & CO., E. I. Nov. 12, 1935, No. 31329. Convention date, Nov. 12, 1934. [Class 41] In the electrolytic production of per - compounds such as persulphuric acid and persulphates in a diaphragm cell, means are provided for maintaining the anode and cathode liquids at substantially the same level. The apparatus shown in plan in Fig. 1 and in sectional elevation in Fig. 3 comprises an elongated container 3 of acid resistant material containing a number of porous pots 4 constituting the anode chambers. The cathode is constituted in part by a cooling coil 5 of lead and in part by a lead box 9 enclosing all the pots 4. Connection to the cathode is made by metal strips 25. The box 9 is provided with downward lips 11 surrounding each diaphragm and with an upstanding flange 13 running the length of the cell. On one side the flange 13 is bent into a series of lips over which pass tubes 7 from the anode pots whereby anolyte overflows to the next cell in the series, entering the anode chamber thereof as at 27. The tubes 7 are provided with gas vents 17. On the other side the flange 13 is bent to form a single lip 12 which receives catholyte overflowing from the preceding cell. The top of the cathode box 9 may be provided with apertures 28, 29. The arrangement of the anodes within the porous pots may be as described in Specification 362,579.
Patent GB-1460186-A (GB)
Title: Method and apparatus for determining electromagnetic characteristics of earth formations
IPC: G01V3/30
Filed: 1974-07-15
Abstract: 1460186 Well logging systems TEXACO DEVELOPMENT CORP 15 July 1974 [27 Aug 1973 (3)] 31334/74 Heading G1N In order to distinguish a fresh water earth bearing formation from a hydrocarbon bearing earth formation in the vicinity of a well borehole (which formations exhibit similar conductivities), the conductivity and dielectric constant of the earth formation in the vicinity of the borehole is measured simultaneously using a dual high frequency system. Logging sonde 11 is provided with a first electrostatically shielded coil 17 which is supplied with R.F. energy in the 10 to 20 Megahertz range, particularly 16 megahertz, from a crystal controlled oscillator 53 via a gain controllable driver 54 and amplifier 55, details of which are described in Figs. 3A, 3B (not shown), the output being maintained at a constant current by controlling the gain of driver 54 by control stage 60 in accordance with the output picked up by transformer 58. Dual transmitting coils 18, 19 helically wound in opposite directions to produce a reversed polarity pair to focus the energy in the earth formations are supplied with energy in the range 20 to 60 megahertz (particularly 30 megahertz) from crystal controlled oscillator 61 via power amplifier 62, the amplifier 62 and oscillator 61 being controlled by 64, 65, 66 to maintain the output at constant current. Electrostatically shielded receiver coil 21 receives simultaneously signals from currents induced in the earth formation by both the 16 and 30 megahertz transmitters. These signals are split by coil 73 the secondary windings of which are tuned to the respective frequencies. The 16 megahertz signal is mixed at 74 with a local oscillator 75 and the resultant I.F. signal #f, after amplification at 76, 77 is fed to adding stage 82 where it is added to the I.F. signal #f 2  likewise obtained from the 30 Megahertz signal by mixer 78. The summed output of these two I.F. signals is fed to the surface up the sonde cable to processing circuit Fig. 1 (not shown), where after amplification the signals are split again by high Q frequency filters into the respective I.F. signals. Each I.F. signal is applied to an amplitude detector circuit and recorder for recording amplitude as a function of bore hole depth. Alternatively the dual I.F. signal may be applied to a further splitter and the two I.F. signals applied to a respective analogue to digital amplitude detector. The digital signals are then applied to a computer programmed to determine the properties of the earth formation in terms of dielectric and resistivity which are indicated on respective recorders as a function of bore hole depth.
Patent GB-314260-A (GB)
Abstract: 314,260. Jungmann, L., and Buehl, H. Aug. 10, 1928. Lighting-torches, non-electric.- A torch m for igniting the burners of a gas stove a or the like is connected by a flexible tube o with the gas-supply pipe c and is ignited by rubbing the steel end n along a pyrophoric block i. The torch has a conical part l adapted to fit a recess k in the support f for the block i. In the form shown, the support f is combined with the cap d of the pipe c and the handle r of a cock p<1> controlling the torch projects over the block i so that it is operated by the torch during the movement of the latter along the block i. In a second form, the support f is clamped on the tube c and the cap d is provided with a cock to which the tube o is connected.